题干
The allowance is only enough to________the most fundamental needs such as food and clothing.
A：convey
B：cover
C：consist
D：confirm
答案(点此获取答案解析）
B
The allowance is only enough to________the most fundamental needs such as food and clothing.
A：convey
B：cover
C：consist
D：confirm
，b＝2，sin C＝2sin A，则△ABC的面积为( )．